CAPTCHA - Revision history

SinexTitan: smooth intro

2026-02-26T13:47:41Z

smooth intro

← Older revision		Revision as of 13:47, 26 February 2026
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	\|Website=		\|Website=
	}} <!-- what is CAPTCHA? a standard? an algorithm? an idea that has been implemented as reCAPTCHA and other competitors? -->		}} <!-- what is CAPTCHA? a standard? an algorithm? an idea that has been implemented as reCAPTCHA and other competitors? -->
	"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/https://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>
			'''Completely Automated Public Turing test to tell Computers and Humans Apart''' or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/https://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>

	==Consumer impact==		==Consumer impact==

AnotherConsumerRightsPerson: http to https with AutoWikiBrowser, replaced: http: → https:

2026-02-11T17:43:14Z

http to https with AutoWikiBrowser, replaced: http: → https:

← Older revision		Revision as of 17:43, 11 February 2026
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	\|Website=		\|Website=
	}} <!-- what is CAPTCHA? a standard? an algorithm? an idea that has been implemented as reCAPTCHA and other competitors? -->		}} <!-- what is CAPTCHA? a standard? an algorithm? an idea that has been implemented as reCAPTCHA and other competitors? -->
	"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/~~http~~://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>		"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/https://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>

	==Consumer impact==		==Consumer impact==

Bythmusters: Started cargo

2026-01-26T15:31:15Z

Started cargo

← Older revision		Revision as of 15:31, 26 January 2026
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			{{ProductCargo
			\|ArticleType=
			\|Category=
			\|Company=
			\|Description=
			\|InProduction=
			\|Logo=
			\|ProductLine=
			\|ReleaseYear=
			\|Website=
			}} <!-- what is CAPTCHA? a standard? an algorithm? an idea that has been implemented as reCAPTCHA and other competitors? -->
	"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/http://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>		"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/http://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>

Im8685: Added Archive URL of Citation# 1, 3, 5

2026-01-25T05:58:55Z

Added Archive URL of Citation# 1, 3, 5

← Older revision		Revision as of 05:58, 25 January 2026
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	"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|website=Phys.org}}</ref>		"Completely Automated Public Turing test to tell Computers and Humans Apart" or [[wikipedia:CAPTCHA\|CAPTCHA]] was invented in 2000 as a means to deter [[wikipedia:Internet_bot\|bots]] and [[wikipedia:Spamming\|spam]] on publicly available websites.<ref name=":0">{{Cite web \|last=Burling \|first=Stacey \|date=15 Jun 2012 \|title=CAPTCHA: The story behind those squiggly computer letters \|url=https://phys.org/news/2012-06-captcha-story-squiggly-letters.html \|url-status=usurped \|archive-url=https://web.archive.org/web/20120617130133/http://m.phys.org/news/2012-06-captcha-story-squiggly-letters.html \|archive-date=17 Jun 2012 \|website=Phys.org}}</ref>

	==Consumer impact==		==Consumer impact==
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	===Accessibility===		===Accessibility===
	The [[wikipedia:World_Wide_Web_Consortium\|World Wide Web Consortium]] (W3C) releases a periodic report on the Inaccessibility of CAPTCHA technology. Their 2021 report concluded that "traditional CAPTCHA continues to be challenging for people with disabilities, but also that it is increasingly insecure and arguably now ill suited to the purpose of distinguishing human individuals from their robotic impersonators."<ref name=":1">{{Cite web \|date=16 Dec 2021 \|title=Inaccessibility of CAPTCHA \|url=https://www.w3.org/TR/turingtest/ \|website=W3C}}</ref> It is important for websites to be able to keep unwanted bots from accessing their sites, however CAPTCHA may not be the best way to do so.		The [[wikipedia:World_Wide_Web_Consortium\|World Wide Web Consortium]] (W3C) releases a periodic report on the Inaccessibility of CAPTCHA technology. Their 2021 report concluded that "traditional CAPTCHA continues to be challenging for people with disabilities, but also that it is increasingly insecure and arguably now ill suited to the purpose of distinguishing human individuals from their robotic impersonators."<ref name=":1">{{Cite web \|date=16 Dec 2021 \|title=Inaccessibility of CAPTCHA \|url=https://www.w3.org/TR/turingtest/ \|url-status=live \|archive-url=https://web.archive.org/web/20211216162624/https://www.w3.org/TR/turingtest/ \|archive-date=16 Dec 2021 \|website=W3C}}</ref> It is important for websites to be able to keep unwanted bots from accessing their sites, however CAPTCHA may not be the best way to do so.

	===Data privacy concerns===		===Data privacy concerns===
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	===Crowdsourcing of labor===		===Crowdsourcing of labor===
	Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>		Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|url-status=live \|archive-url=https://web.archive.org/web/20160209093438/https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|archive-date=2016-02-09 \|website=United States District Court for the District of Massachusetts}}</ref>

	==Alternatives==		==Alternatives==

Drakeula: /* Alternatives */ biometric auth (not securit)

2025-11-05T07:39:32Z

Alternatives: biometric auth (not securit)

← Older revision		Revision as of 07:39, 5 November 2025
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	#Temporary tokens - after a user passes a CAPTCHA, a token is accepted onto the user's device allowing them to use the associated webservice for a fixed amount of time.		#Temporary tokens - after a user passes a CAPTCHA, a token is accepted onto the user's device allowing them to use the associated webservice for a fixed amount of time.
	#Multi-factor authentication - using a pre-arranged secondary device to independently authenticate identity.		#Multi-factor authentication - using a pre-arranged secondary device to independently authenticate identity.
	#Biometric ~~security~~ - facial recognition, fingerprint, retinal scan. This would only be acceptable in an institution with very high security requirements.		#[[Biometric authentication]] - facial recognition, fingerprint, retinal scan. This would only be acceptable in an institution with very high security requirements.

	<blockquote>"Users should not be forced beyond what is strictly necessary to keep a site secure, e.g.,/ if a honeypot suffices, use a honeypot until evidence of robotic attacks dictates something else." - W3C<ref name=":1" /></blockquote>		<blockquote>"Users should not be forced beyond what is strictly necessary to keep a site secure, e.g.,/ if a honeypot suffices, use a honeypot until evidence of robotic attacks dictates something else." - W3C<ref name=":1" /></blockquote>

Drakeula: clarify headline, cat: common terms

2025-10-11T20:52:57Z

clarify headline, cat: common terms

← Older revision		Revision as of 20:52, 11 October 2025
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	<blockquote>"It's an arms race between site owners and spammers; users lose." - Jeremy Elson<ref name=":0" /></blockquote>Overall, CAPTCHA technology has been shown to waste human time with only marginal security improvement.<ref name=":12">{{Cite journal \|last=Searles \|first=Andrew \|last2=Prapty \|first2=Renascence Tarafder \|last3=Tsudik \|first3=Gene \|date=21 Nov 2023 \|title=Dazed & Confused: A Large-Scale Real-World User Study of reCAPTCHAv2 \|url=https://arxiv.org/pdf/2311.10911 \|journal=Preprint}}</ref>{{Citation needed}}		<blockquote>"It's an arms race between site owners and spammers; users lose." - Jeremy Elson<ref name=":0" /></blockquote>Overall, CAPTCHA technology has been shown to waste human time with only marginal security improvement.<ref name=":12">{{Cite journal \|last=Searles \|first=Andrew \|last2=Prapty \|first2=Renascence Tarafder \|last3=Tsudik \|first3=Gene \|date=21 Nov 2023 \|title=Dazed & Confused: A Large-Scale Real-World User Study of reCAPTCHAv2 \|url=https://arxiv.org/pdf/2311.10911 \|journal=Preprint}}</ref>{{Citation needed}}

	===~~Inaccessibility to all humans~~===		===Accessibility===
	The [[wikipedia:World_Wide_Web_Consortium\|World Wide Web Consortium]] (W3C) releases a periodic report on the Inaccessibility of CAPTCHA technology. Their 2021 report concluded that "traditional CAPTCHA continues to be challenging for people with disabilities, but also that it is increasingly insecure and arguably now ill suited to the purpose of distinguishing human individuals from their robotic impersonators."<ref name=":1">{{Cite web \|date=16 Dec 2021 \|title=Inaccessibility of CAPTCHA \|url=https://www.w3.org/TR/turingtest/ \|website=W3C}}</ref> It is important for websites to be able to keep unwanted bots from accessing their sites, however CAPTCHA may not be the best way to do so.		The [[wikipedia:World_Wide_Web_Consortium\|World Wide Web Consortium]] (W3C) releases a periodic report on the Inaccessibility of CAPTCHA technology. Their 2021 report concluded that "traditional CAPTCHA continues to be challenging for people with disabilities, but also that it is increasingly insecure and arguably now ill suited to the purpose of distinguishing human individuals from their robotic impersonators."<ref name=":1">{{Cite web \|date=16 Dec 2021 \|title=Inaccessibility of CAPTCHA \|url=https://www.w3.org/TR/turingtest/ \|website=W3C}}</ref> It is important for websites to be able to keep unwanted bots from accessing their sites, however CAPTCHA may not be the best way to do so.

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	==References==		==References==
	<references />		<references />

	[[Category:Articles in need of additional work]]		[[Category:Articles in need of additional work]]
	[[Category:CAPTCHA]]		[[Category:CAPTCHA]]
	[[Category:Data collection]]		[[Category:Data collection]]
			[[Category:Common terms]]

AnotherConsumerRightsPerson: Don’t see why you quote the CRW.

2025-09-28T05:07:19Z

Don’t see why you quote the CRW.

← Older revision		Revision as of 05:07, 28 September 2025
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	===Crowdsourcing of labor===		===Crowdsourcing of labor===
	Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>		Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>

	~~===Use on Consumer Rights Wiki===~~
	~~When it malfunctions, its use here is a problem. There is a known issue with new talk pages; see [[Help:FAQ#I can't see the CAPTCHA on the discussion pages. How can I leave my reply?]]~~

	==Alternatives==		==Alternatives==

Joebobilly: /* Inaccessibility to humans */ Changed subtitle to "Inaccessibility to all humans" to be more clear that it is talking about people with disabilities. Appended a sentence discussing how technologies like CAPTCHA are important but that CAPTCHA itself is not very good (which is elaborated upon later)

2025-08-16T01:46:04Z

Inaccessibility to humans: Changed subtitle to "Inaccessibility to all humans" to be more clear that it is talking about people with disabilities. Appended a sentence discussing how technologies like CAPTCHA are important but that CAPTCHA itself is not very good (which is elaborated upon later)

← Older revision		Revision as of 01:46, 16 August 2025
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	<blockquote>"It's an arms race between site owners and spammers; users lose." - Jeremy Elson<ref name=":0" /></blockquote>Overall, CAPTCHA technology has been shown to waste human time with only marginal security improvement.<ref name=":12">{{Cite journal \|last=Searles \|first=Andrew \|last2=Prapty \|first2=Renascence Tarafder \|last3=Tsudik \|first3=Gene \|date=21 Nov 2023 \|title=Dazed & Confused: A Large-Scale Real-World User Study of reCAPTCHAv2 \|url=https://arxiv.org/pdf/2311.10911 \|journal=Preprint}}</ref>{{Citation needed}}		<blockquote>"It's an arms race between site owners and spammers; users lose." - Jeremy Elson<ref name=":0" /></blockquote>Overall, CAPTCHA technology has been shown to waste human time with only marginal security improvement.<ref name=":12">{{Cite journal \|last=Searles \|first=Andrew \|last2=Prapty \|first2=Renascence Tarafder \|last3=Tsudik \|first3=Gene \|date=21 Nov 2023 \|title=Dazed & Confused: A Large-Scale Real-World User Study of reCAPTCHAv2 \|url=https://arxiv.org/pdf/2311.10911 \|journal=Preprint}}</ref>{{Citation needed}}

	===Inaccessibility to humans===		===Inaccessibility to all humans===
	The [[wikipedia:World_Wide_Web_Consortium\|World Wide Web Consortium]] (W3C) releases a periodic report on the Inaccessibility of CAPTCHA technology. Their 2021 report concluded that "traditional CAPTCHA continues to be challenging for people with disabilities, but also that it is increasingly insecure and arguably now ill suited to the purpose of distinguishing human individuals from their robotic impersonators."<ref name=":1">{{Cite web \|date=16 Dec 2021 \|title=Inaccessibility of CAPTCHA \|url=https://www.w3.org/TR/turingtest/ \|website=W3C}}</ref>		The [[wikipedia:World_Wide_Web_Consortium\|World Wide Web Consortium]] (W3C) releases a periodic report on the Inaccessibility of CAPTCHA technology. Their 2021 report concluded that "traditional CAPTCHA continues to be challenging for people with disabilities, but also that it is increasingly insecure and arguably now ill suited to the purpose of distinguishing human individuals from their robotic impersonators."<ref name=":1">{{Cite web \|date=16 Dec 2021 \|title=Inaccessibility of CAPTCHA \|url=https://www.w3.org/TR/turingtest/ \|website=W3C}}</ref> It is important for websites to be able to keep unwanted bots from accessing their sites, however CAPTCHA may not be the best way to do so.

	===Data privacy concerns===		===Data privacy concerns===

CrookKilla: /* Use on Consumer Rights Wiki */ link to FAQ

2025-06-30T02:09:49Z

Use on Consumer Rights Wiki: link to FAQ

← Older revision		Revision as of 02:09, 30 June 2025
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	Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>		Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>

	=== Use on Consumer Rights Wiki ===		===Use on Consumer Rights Wiki===
	When it malfunctions, its use here is a problem.		When it malfunctions, its use here is a problem. There is a known issue with new talk pages; see [[Help:FAQ#I can't see the CAPTCHA on the discussion pages. How can I leave my reply?]]

	==Alternatives==		==Alternatives==

CrookKilla: I'm trying to edit https://consumerrights.wiki/index.php?title=Consumer_Rights_Wiki_talk:Inclusion_guidelines&action=edit&redlink=1 and a broken captcha system is keeping me from saving my edit. At least here it seems to be appearing; hope it works OK.

2025-06-30T01:34:39Z

I'm trying to edit https://consumerrights.wiki/index.php?title=Consumer_Rights_Wiki_talk:Inclusion_guidelines&action=edit&redlink=1 and a broken captcha system is keeping me from saving my edit. At least here it seems to be appearing; hope it works OK.

← Older revision		Revision as of 01:34, 30 June 2025
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	===Crowdsourcing of labor===		===Crowdsourcing of labor===
	Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>		Services such as [[Google\|Google's]] [[reCAPTCHA]] have been found to be using human input to perform transcription work or train machine learning models without user consent. In 2015, a class-action lawsuit attempted to argue Google should pay its users for their labor.<ref>{{Cite web \|date=22 Jan 2015 \|title=Civil Action No. 15-10160-MGM \|url=https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1904&context=historical \|website=United States District Court for the District of Massachusetts}}</ref>

			=== Use on Consumer Rights Wiki ===
			When it malfunctions, its use here is a problem.

	==Alternatives==		==Alternatives==